Preference Matrices with Fuzzy Elements in Decision Making

Martin Gavalec, Jaroslav Ramík and Karel Zimmermann
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Martin Gavalec: University of Hradec Kralove
Jaroslav Ramík: Silesian University in Opava
Karel Zimmermann: Charles University in Prague

Chapter Chapter 3 in Decision Making and Optimization, 2015, pp 91-115 from Springer

Abstract: Abstract This chapter is aimed on pairwise comparison matrices with fuzzy elements. Fuzzy elements of the pairwise comparison matrix are applied whenever the decision maker is not sure about the value of his/her evaluation of the relative importance of elements in question. We particularly deal with pairwise comparison matrices with fuzzy number elements and investigate some properties of such matrices. In comparison with pairwise comparison matrices with crisp elements investigated in the previous chapter, here we investigate pairwise comparison matrices with elements from alo-group over a real interval. In some sense, this chapter is a continuation of the second part of the previous chapter. Such an approach allows for a generalization dealing with additive, multiplicative and fuzzy pairwise comparison matrices with fuzzy elements. Moreover, we deal with the problem of measuring the inconsistency of fuzzy pairwise comparison matrices by defining corresponding inconsistency indexes. Numerical examples are presented to illustrate the concepts and derived properties.

Keywords: Fuzzy Elements; Pairwise Comparison Matrices; Inconsistency Index; Priority Vector; Interval Fuzzy Preference Relations (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:spr:lnechp:978-3-319-08323-0_3

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DOI: 10.1007/978-3-319-08323-0_3

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